Get help with your first check

Email Fritz Döbel at fritzdoebel@gmail.com.

Include your shop domain, the task you tried and what you expected. Do not send passwords, access tokens or customer information.

How this app works

Find missing and duplicate SKUs and barcodes in your catalog.

Free catalog checks for up to 10,000 variants, with CSV export.

Read-only audit. Shared identifiers may be intentional; review them before editing products in Shopify. No automatic fixes.